Home / 129,148.25-193,730.58-34,376.88

Finding the Fourth Proportional to 129,148.25, 193,730.58 and 34,376.88

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Solution

The fourth proportional to 129,148.25, 193,730.58 and 34,376.88 is: 51,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,148.25 : 193,730.58 = 34,376.88 : x
  2. Step 2: Convert to fraction form
    129,148.25/193,730.58 = 34,376.88/x
  3. Step 3: Cross multiply
    129,148.25x = 193,730.58 × 34,376.88
  4. Step 4: Simplify right side
    129,148.25x = 6,659,852,900.99
  5. Step 5: Solve for x
    x = 6,659,852,900.99/129,148.25
  6. Step 6: Final answer
    x = 51,567.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.